In fact one way to prevent moss from growing in the first place is to attach zinc strips to the ridge of your roof.
Zinc to kill moss on roofs.
Pour 3 gallons of warm water in a plastic 5 gallon bucket.
Gently remove the rest with a wire or nylon brush.
It will also corrode all of your fasteners allowing water to get underneath your shingles causing costly roof leak repairs.
Do not use metal the zinc may react with metal items.
You can cut strips of zinc flashing copper and lead work too and slide them under a course of roof shingles to kill lichen and moss growing there or you could just buy these premade strips from shingle shield.
Dry corry s moss b ware granules and the micro granular lilly miller moss out.
Put on safety gear including work gloves a breathing mask and safety glasses.
How to mix zinc sulfate powder to kill moss.
Power washing can damage shingles or get water.
Among the products to use with caution are zinc potassium salts of fatty acids and oxidizing bleaching agents that do not contain chlorine.
The technique most roofing contractors use when putting a zinc sulfate or zinc chloride compound is conducive to killing moss in patches creating a dalmatian like pattern.
As rain runs over the strips zinc drips down your roof.
Zinc strips can be installed at the top of your roof to prevent moss from growing.
Stop a moss problem from returning by installing strips of zinc or copper coated sheet metal just below the top ridge.
It is easier to clean areas in the summer when the moss is dried out.
According to the manufacturers zinc sulfate will not stain roofs or corrode aluminum and galvanized gutters.
The active ingredient for some moss killers is zinc sulfate monohydrate usually at concentrations of 99.
Prevent future moss growth by installing zinc or copper on the roof.
Of zinc sulfate.
Zinc sulfate general information.
The premade ones are much quicker and probably neater looking.
Don t wait for a thick coat of moss to build up.
Roofs and structures come in easy ready to use shaker canisters.
If it is safe to walk on your roof carefully use hand tools not power washing to remove moss leaves and needles from roofs.
To use zinc sulfate one can apply powder directly to moss areas.
Remove as much moss as possible physically.
These zinc based products kill roof moss without unsightly staining and they won t corrode galvanized gutters as some moss products do.